public class StringConcat {
    public static void main(String[] args) {
        int a = 10;
        int b = 20;
        int c = a + b;
        System.out.println("a + b = " + c);

        boolean aBiggerThanB = a > b;
        System.out.println("a > b is " + aBiggerThanB);

        System.out.println("a + b = " + a + b);

        System.out.println("a + b = " + (a + b));

        System.out.println("a * b = " + a * b);
    }
}
